An analysis of crystal dissolution fronts in flows through porous media. Part 1: Compatible boundary conditions

P. Knabner, C.J. Duijn, van, S. Hengst

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    56 Citations (Scopus)
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    Abstract

    Proposed in this study is a model for transport of solutes in a porous medium participating in a dissolution/precipitation reaction, in general not in equilibrium. For an unbounded spatial domain, travelling wave solutions exist, if and only if the charge distribution is constant and the situation is a dissolution situation. The travelling wave in fact exhibits a sharp dissolution front. The wave is given in a nearly explicit manner. Also for the limit cases of equilibrium or no dispersion, travelling waves are established under the same conditions, but with different qualitative properties.
    Original languageEnglish
    Pages (from-to)171-185
    Number of pages15
    JournalAdvances in Water Resources
    Volume18
    Issue number3
    DOIs
    Publication statusPublished - 1995

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